Is M66.24 a billable ICD-10 code?

No. M66.24 is a non-billable header code. Use a more specific subcategory for claims.

M66.24 ⚠ Non-billable

Spontaneous rupture of extensor tendons, hand

Q: What is ICD-10 code M66.24?

ICD-10-CM code M66.24 stands for "Spontaneous rupture of extensor tendons, hand". It is a non-billable header code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue

Code

M66.24

System

ICD-10-CM

Billable

No — use specific code

Effective

FY2026

Chapter

Diseases of the Musculoskeletal System and Connective Tissue

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code M66.24?

ICD-10-CM code M66.24 represents Spontaneous rupture of extensor tendons, hand. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.

Is M66.24 billable?

No. M66.24 is a non-billable header. Select a more specific subcategory for claims submission.

What chapter is M66.24 in?

M66.24 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.

Related codes in the M66 category

M66 Spontaneous rupture of synovium and tendon Non-billable M66.0 Rupture of popliteal cyst Billable M66.1 Rupture of synovium Non-billable M66.2 Spontaneous rupture of extensor tendons Non-billable M66.3 Spontaneous rupture of flexor tendons Non-billable M66.8 Spontaneous rupture of other tendons Non-billable M66.9 Spontaneous rupture of unspecified tendon Billable M66.10 Rupture of synovium, unspecified joint Billable

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